L. MACUNGIE TWP., Pa. – It’s something old, and something new from the Bulldog in Sin City.
Mack Trucks is unveiling two additions to its vocational lineup this week at the ConExpo-Con/Agg 2026 construction trade show in Las Vegas. Both trucks will be assembled at the company’s plant in the Lehigh Valley.
First, the new. The Mack Keystone takes its name from Pennsylvania’s nickname of the Keystone State.
“The Keystone continues Mack’s tradition of building rugged, reliable trucks that work as hard as the people who drive them,” said Stephen Roy, president of Mack Trucks, in a news release…